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1.29ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG841678729

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841678729

Diamond specifications and retailer prices

From HK$2,079 HKD
$265 USD
As of November 1, 2026
Save HK$10,475 HKD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$12,554 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG841678729 or 841678729. Listed at 16 retailers as of November 1, 2026, with prices from HK$2,079 to HK$12,554, a HK$10,475 spread on the same certified stone. Brilliant Earth lists it at HK$12,554. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841678729
Dimensions6.97 × 7.02 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.97 mm7.02 mm1.29 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841678729
Side View
Table 58.0%Crown 33.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$12,554 HKD|Low: HK$2,079 HKD|High: HK$14,358 HKD|Avg: HK$6,545 HKD|-12.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 3HK$2,079 HKD
Retailer 15HK$2,409 HKD
Retailer 16HK$3,860 HKD
Retailer 9HK$4,084 HKD
Retailer 4HK$4,284 HKD
Retailer 10HK$4,315 HKD
Retailer 12HK$4,490 HKD
Retailer 13HK$6,268 HKD
Retailer 6HK$6,442 HKD
Retailer 5HK$7,909 HKD
Retailer 7HK$8,278 HKD
Retailer 11HK$9,313 HKD
Retailer 8HK$9,713 HKD
Retailer 2HK$10,313 HKD
Retailer 14HK$10,553 HKD
Brilliant EarthHK$12,554 HKD

13 data points across 16 retailers

16 retailersHK$2,079 HKD to HK$12,554 HKD

A
Cheapest Retailer
-
HK$2,079 HKD
$265 USD
A
Retailer 2
-
HK$2,409 HKD
$307 USD
View
A
Retailer 3
-
HK$3,860 HKD
$492 USD
View
A
Retailer 4
-
HK$4,084 HKD
£410 GBP
View
A
Retailer 5
-
HK$4,284 HKD
$546 USD
View
A
Retailer 6
-
HK$4,315 HKD
$550 USD
View
A
Retailer 7
-
HK$4,490 HKD
€545 EUR
View
A
Retailer 8
-
HK$6,268 HKD
A$1,229 AUD
View
B+
Retailer 9
-
HK$6,442 HKD
$821 USD
View
B+
Retailer 10
-
HK$7,909 HKD
$1,008 USD
View
B+
Retailer 11
-
HK$8,278 HKD
$1,055 USD
View
B+
Retailer 12
-
HK$9,313 HKD
A$1,826 AUD
View
B+
Retailer 13
-
HK$9,713 HKD
$1,238 USD
View
B+
Retailer 14
-
HK$10,313 HKD
£1,035 GBP
View
B
Retailer 15
-
HK$10,553 HKD
$1,345 USD
View
Most Expensive
B+
Brilliant Earth
22208645A · Nov 2
HK$12,554 HKD
$1,600 USD
View
15 more retailers have this diamond
Prices start from HK$2,079 HKDSave up to HK$10,475 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.29ct Round
HK$2,079 HKD